yum install -y yum-utils device-mapper-persistent-data lvm2 git ntp nfs-utils lrzsz ntpdate zip unzip \
 htop itop nload net-tools curl bash-completion nfs-utils rpcbind

ntpdate -u cn.pool.ntp.org
systemctl start nfs && systemctl enable nfs
systemctl start rpcbind && systemctl enable rpcbind